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Date: Thu, 29 Sep 2011 15:44:47 -0700
From: Mark Moseley <moseleymark@...il.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Linux filesystem caching discussion list
<linux-cachefs@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [Linux-cachefs] 3.0.3 64-bit Crash running fscache/cachefilesd
On Thu, Sep 29, 2011 at 3:11 PM, Mark Moseley <moseleymark@...il.com> wrote:
> On Thu, Sep 29, 2011 at 12:02 PM, Mark Moseley <moseleymark@...il.com> wrote:
>> On Thu, Sep 29, 2011 at 9:30 AM, David Howells <dhowells@...hat.com> wrote:
>>> Mark Moseley <moseleymark@...il.com> wrote:
>>>
>>>> >> [12999.564897] FS-Cache: Cookie 'NFS.fh' still has outstanding reads
>>>> >
>>>> > Hopefully the patch set I sent to you will deal with this.
>>>> >
>>>> > David
>>>>
>>>> Not sure what you mean. Was there another patch besides the one to get
>>>> more info in the traceback?
>>>
>>> I emailed a set of 13 patches to you a short time before that. Hopefully
>>> they'll fix the outstanding-reads problem the bad-page-state problem.
>>
>> Sorry, I just had this thread sitting open in gmail and I was looking
>> for the patch within it. I see all those emails you sent. I'll try to
>> get those patched in today. Thanks!
>>
>
> With those 13 patches, I get this traceback. Nothing before or after
> in logs or console.
>
Got a bit more at the end this time (nothing before though):
[ 2709.769251] ------------[ cut here ]------------
[ 2709.778483] kernel BUG at fs/fscache/operation.c:408!
[ 2709.779147] invalid opcode: 0000 [#1] SMP
[ 2709.779147] CPU 0
[ 2709.779147] Modules linked in: xfs ioatdma dca loop joydev evdev
psmouse serio_raw pcspkr dcdbas i5000_edac edac_core i5k_amb shpchp
pci_hotplug sg sr_mod]
[ 2709.779147]
[ 2709.779147] Pid: 10663, comm: httpd Not tainted 3.1.0-rc8 #1 Dell
Inc. PowerEdge 1950/0DT097
[ 2709.779147] RIP: 0010:[<ffffffff81197b24>] [<ffffffff81197b24>]
fscache_put_operation+0x304/0x330
[ 2709.779147] RSP: 0018:ffff880126bf79d8 EFLAGS: 00010296
[ 2709.779147] RAX: 0000000000000025 RBX: ffff880111c1c644 RCX: ffffffff81ddf040
[ 2709.779147] RDX: 00000000ffffffff RSI: 0000000000000082 RDI: ffffffff81ddef30
[ 2709.779147] RBP: ffff880126bf79f8 R08: 0000000000000006 R09: 0000000000000000
[ 2709.779147] R10: 0000000000000000 R11: 0000000000000003 R12: ffff880111c1c600
[ 2709.779147] R13: ffff880225e21af0 R14: ffff8800a7f14dd8 R15: ffff8800a7f14d80
[ 2709.779147] FS: 00007fd9b8f626e0(0000) GS:ffff88022fc00000(0000)
knlGS:0000000000000000
[ 2709.779147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2709.779147] CR2: ffffffffff600400 CR3: 0000000127cf6000 CR4: 00000000000006f0
[ 2709.779147] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2709.779147] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 2709.779147] Process httpd (pid: 10663, threadinfo ffff880126bf6000,
task ffff880009d78000)
[ 2709.779147] Stack:
[ 2709.779147] ffff880126bf7bf8 0000000000000000 ffff880126bf7bf8
ffff880225e21af0
[ 2709.779147] ffff880126bf7a68 ffffffff8119aa7e ffff880126bf7a18
ffff880126bf7ad4
[ 2709.779147] ffff88019af67708 ffff880225e21af0 ffff880223cdfc3c
ffff880111c1c600
[ 2709.779147] Call Trace:
[ 2709.779147] [<ffffffff8119aa7e>] __fscache_read_or_alloc_pages+0x1fe/0x530
[ 2709.779147] [<ffffffff81250780>] __nfs_readpages_from_fscache+0x70/0x1c0
[ 2709.779147] [<ffffffff8123142a>] nfs_readpages+0xca/0x1e0
[ 2709.779147] [<ffffffff815f3c06>] ? rpc_do_put_task+0x36/0x50
[ 2709.779147] [<ffffffff815ecd1a>] ? rpc_call_sync+0x5a/0x70
[ 2709.779147] [<ffffffff810e7e9a>] __do_page_cache_readahead+0x1ca/0x270
[ 2709.779147] [<ffffffff810e7f61>] ra_submit+0x21/0x30
[ 2709.779147] [<ffffffff810e818d>] ondemand_readahead+0x11d/0x250
[ 2709.779147] [<ffffffff810e83b6>] page_cache_sync_readahead+0x36/0x60
[ 2709.779147] [<ffffffff810dffa4>] generic_file_aio_read+0x454/0x770
[ 2709.779147] [<ffffffff81224ce1>] nfs_file_read+0xe1/0x130
[ 2709.779147] [<ffffffff81121bd9>] do_sync_read+0xd9/0x120
[ 2709.779147] [<ffffffff81122938>] vfs_read+0xc8/0x180
[ 2709.779147] [<ffffffff81122af5>] sys_read+0x55/0x90
[ 2709.779147] [<ffffffff8162b32b>] system_call_fastpath+0x16/0x1b
[ 2709.779147] Code: e8 d9 f9 48 00 48 c7 c7 88 1d a1 81 31 c0 e8 cb
f9 48 00 41 8b 74 24 40 ba 05 00 00 00 48 c7 c7 0f 9c a0 81 31 c0 e8
b3 f9 48 00 <0f> 0b
[ 2709.779147] RIP [<ffffffff81197b24>] fscache_put_operation+0x304/0x330
[ 2709.779147] RSP <ffff880126bf79d8>
[ 2710.341319] ---[ end trace df840d758e018f42 ]---
2011 Sep 29 18:3[ 2710.353281] Kernel panic - not syncing: Fatal exception
9:25 boscust2102[ 2710.364937] Pid: 10663, comm: httpd Tainted: G
D 3.1.0-rc8 #1
[ 2709.769251] [ 2710.380560] Call Trace:
------------[ cu[ 2710.388046] [<ffffffff816273ab>] panic+0xbf/0x1eb
t here ]--------[ 2710.400573] [<ffffffff8104b98f>] ? kmsg_dump+0x4f/0x100
----
2011 Sep 29[ 2710.413979] [<ffffffff81005c08>] oops_end+0xa8/0xf0
18:39:25 boscus[ 2710.426626] [<ffffz��[ 2710.529057]
[<ffffffff81197b24>] ? fscache_put_operation+0x304/0x330
[ 2710.542164] [<ffffffff81197b24>] ? fscache_put_operation+0x304/0x330
[ 2710.555411] [<ffffffff8119aa7e>] __fscache_read_or_alloc_pages+0x1fe/0x530
[ 2710.569638] [<ffffffff81250780>] __nfs_readpages_from_fscache+0x70/0x1c0
[ 2710.583413] [<ffffffff8123142a>] nfs_readpages+0xca/0x1e0
[ 2710.594538] [<ffffffff815f3c06>] ? rpc_do_put_task+0x36/0x50
[ 2710.606109] [<ffffffff815ecd1a>] ? rpc_call_sync+0x5a/0x70
[ 2710.617354] [<ffffffff810e7e9a>] __do_page_cache_readahead+0x1ca/0x270
[ 2710.630667] [<ffffffff810e7f61>] ra_submit+0x21/0x30
[ 2710.640864] [<ffffffff810e818d>] ondemand_readahead+0x11d/0x250
[ 2710.653060] [<ffffffff810e83b6>] page_cache_sync_readahead+0x36/0x60
[ 2710.666126] [<ffffffff810dffa4>] generic_file_aio_read+0x454/0x770
[ 2710.678961] [<ffffffff81224ce1>] nfs_file_read+0xe1/0x130
[ 2710.690326] [<ffffffff81121bd9>] do_sync_read+0xd9/0x120
[ 2710.701253] [<ffffffff81122938>] vfs_read+0xc8/0x180
[ 2710.711554] [<ffffffff81122af5>] sys_read+0x55/0x90
[ 2710.721618] [<ffffffff8162b32b>] system_call_fastpath+0x16/0x1b
--
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